1 : <?php
2 : /*--------------------------------------------------------------------------+
3 : This file is part of eStudy.
4 : ressourcen/classes/filemanager/class.file.inc.php
5 : - Modulgruppe: File Manager
6 : - Beschreibung: Klasse "File"
7 : - Version: 0.4, 08.01.08
8 : - Autor(en): Tobias Wild <tobias.wild@mni.fh-giessen.de>
9 : +---------------------------------------------------------------------------+
10 : This program is free software; you can redistribute it and/or
11 : modify it under the terms of the GNU General Public License
12 : as published by the Free Software Foundation; either version 2
13 : of the License, or any later version.
14 : +---------------------------------------------------------------------------+
15 : This program is distributed in the hope that it will be useful,
16 : but WITHOUT ANY WARRANTY; without even the implied warranty of
17 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 : GNU General Public License for more details.
19 : You should have received a copy of the GNU General Public License
20 : along with this program; if not, write to the Free Software
21 : Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 : +--------------------------------------------------------------------------*/
23 :
24 : if (!defined("PATH_TO_ROOT")) {
25 : define("PATH_TO_ROOT", "../../../");
26 : }
27 :
28 : require_once (PATH_TO_ROOT."ressourcen/classes/filemanager/class.resource.inc.php");
29 : require_once (PATH_TO_ROOT."ressourcen/classes/archiver/interface.resourcevisitor.inc.php");
30 : require_once (PATH_TO_ROOT."user/classes/class.usertools.inc.php");
31 : //
32 : class File extends Resource {
33 : protected $origFileName;
34 : protected $type;
35 : protected $size;
36 : protected $counter;
37 : protected $extension;
38 :
39 : public function setOrigFileName ($origFileName) {
40 0 : $this->origFileName = $origFileName;
41 0 : }
42 :
43 : public function getOrigFileName() {
44 0 : return $this->origFileName;
45 : }
46 :
47 : public function setType ($type) {
48 0 : $this->type = $type ;
49 0 : }
50 :
51 : public function getType() {
52 0 : return $this->type;
53 : }
54 :
55 : public function getSize() {
56 0 : return $this->size;
57 : }
58 :
59 : public function setSize ($size) {
60 0 : $this->size = $size;
61 0 : }
62 :
63 : public function setCounter ($counter) {
64 0 : $this->counter = $counter ;
65 0 : }
66 :
67 : public function setExtension ($extension) {
68 0 : $this->extension = $extension ;
69 0 : }
70 :
71 : /**
72 : * Getter for File extension property.
73 : *
74 : * @return String Extenstion
75 : */
76 : public function getExtension () {
77 0 : return $this->extension;
78 : }
79 :
80 : public function getPathToFile() {
81 0 : global $settings;
82 : // Verzeichnis dass die hochgeladenen Dateien enthält
83 0 : $basedir = PATH_TO_ROOT.$settings["upload_path"].'filemanager/courseID/'.$this->courseID;
84 : //die datei wie sie auf dem server liegt (der dateiname ist verschlüsselt)
85 0 : $filename = sprintf("%s/%s", $basedir, $this->link);
86 0 : return $filename;
87 : }
88 :
89 : public function isFileVisible() {
90 0 : global $db;
91 0 : if (($_SESSION['usergroup'] == STUDENT ||
92 0 : $_SESSION['usergroup'] == ALUMNUS ||
93 0 : $_SESSION['usergroup'] == SCHUELER ||
94 0 : $_SESSION['usergroup'] == GAST) && $this->visibleType != 1 &&
95 0 : $_SESSION['userid'] != $this->userID) {
96 : // Wenn Tutor oder Student und darf nicht sehen spezielle DB abfragen
97 0 : if (!isset($_SESSION["assistent"]) ||
98 0 : (isset($_SESSION["assistent"]) &&
99 0 : $this->visibleType == 3 &&
100 0 : $_SESSION['userid'] != $this->userID)) {
101 0 : $visible = $db->get_var(
102 : "SELECT count(*) FROM filevisible WHERE userID='".
103 0 : Data::toMysql($_SESSION['userid'])."' AND fileID='".
104 0 : Data::toMysql($this->fileID)."'"
105 0 : );
106 0 : return ($visible >= 1);
107 : }
108 0 : }
109 0 : return true;
110 : }
111 :
112 : private function getUserIcons() {
113 0 : global $visibleIcons;
114 0 : $imgFolder = $this->fileManager->getImgFolder();
115 : //Performance-Tuning: Image wird ab jetzt als CSS-Sprite geladen!
116 0 : if(isset($_SESSION["UserStyle"]) && $_SESSION["UserStyle"] != "fh_yaml")
117 0 : $edit = "<img src='".$imgFolder."edittypes/lock_edit.gif' alt='edit Symbol' />";
118 : else $edit = "<img src='".
119 0 : PATH_TO_ROOT."images/transparent.gif' class='icon_lock_edit' alt='edit Symbol' />";
120 : //Performance-Tuning: Image wird ab jetzt als CSS-Sprite geladen!
121 0 : if(isset($_SESSION["UserStyle"]) && $_SESSION["UserStyle"] != "fh_yaml")
122 0 : $delete = "<img src='".$imgFolder.
123 0 : "edittypes/lock_delete.gif' alt='delete Symbol' />";
124 0 : else $delete = "<img src='".PATH_TO_ROOT.
125 0 : "images/transparent.gif' class='icon_lock_delete' alt='delete Symbol' />";
126 0 : $fileVisible = "";
127 0 : if ($_SESSION['userid'] == $this->userID ||
128 0 : $_SESSION['usergroup'] == ADMIN ||
129 0 : ($_SESSION["usergroup"] == DOZENT &&
130 0 : $_SESSION["course"] > 0)) {
131 : //Performance-Tuning: Image wird ab jetzt als CSS-Sprite geladen!
132 0 : if(isset($_SESSION["UserStyle"]) &&
133 0 : $_SESSION["UserStyle"] != "fh_yaml")
134 0 : $edit = "<a title='Dateieigenschaften verändern' href='./edit.php?editID=".
135 0 : $this->fileID."'><img src='".$imgFolder."edittypes/edit.gif' alt='edit Symbol' /></a>";
136 : else $edit = "<a title='Dateieigenschaften verändern' href='./edit.php?editID=".
137 0 : $this->fileID."'><img src='".PATH_TO_ROOT.
138 0 : "images/transparent.gif' class='icon_edit_file' alt='edit Symbol' /></a>";
139 :
140 : //Performance-Tuning: Image wird ab jetzt als CSS-Sprite geladen!
141 0 : if(isset($_SESSION["UserStyle"]) &&
142 0 : $_SESSION["UserStyle"] != "fh_yaml")
143 0 : $delete = "<a title='Datei löschen' href='".
144 0 : $this->createLink(1, array('action' => "deleteFile", "actionID" => $this->fileID)) .
145 0 : "'><img src='".$imgFolder."edittypes/delete.gif' alt='delete Symbol' /></a>";
146 : else $delete = "<a title='Datei löschen' href='".
147 0 : $this->createLink(1, array('action' => "deleteFile", "actionID" => $this->fileID)) .
148 0 : "'><img src='".PATH_TO_ROOT."images/transparent.gif' class='icon_delete_file' alt='delete Symbol' /></a>";
149 : //Sichtbarkeitsanzeige für untergeordnete Dateien und Links setzen
150 0 : $visibleIcon = "";
151 : //beim Laden der Seite
152 0 : if (isset($this->visibleType)&&
153 0 : $this->visibleType >= 1 &&
154 0 : $this->visibleType <= 3) {
155 0 : $visibleIcon = $visibleIcons[$this->visibleType];
156 0 : }
157 : $fileVisible = "<a title='Sichtbarkeit ändern' href='".
158 0 : $this->createLink(
159 0 : 1, array('action' => "setRessourceVisibility",
160 0 : "actionID" => $this->fileID)
161 0 : )
162 0 : ."'>".$visibleIcon."</a>";
163 0 : }
164 0 : $copyFile = "";
165 : //Performance-Tuning: Image wird ab jetzt als CSS-Sprite geladen!
166 0 : if(isset($_SESSION["UserStyle"]) && $_SESSION["UserStyle"] != "fh_yaml")
167 0 : if ($this->type == "file") $copyFile = "<a title='Datei in anderen Kurs kopieren' href='".
168 0 : $this->createLink(1, array('action' => "copyFile", "actionID" => $this->fileID)) .
169 0 : "'><img src='".$imgFolder."edittypes/copy.png' alt='copy Symbol' /></a>";
170 0 : else if ($this->type == "file") $copyFile = "<a title='Datei in anderen Kurs kopieren' href='".
171 0 : $this->createLink(
172 0 : 1, array('action' => "copyFile", "actionID" => $this->fileID)
173 0 : ).
174 0 : "'><img src='".PATH_TO_ROOT."images/transparent.gif' class='icon_copy_file' alt='copy Symbol' /></a>";
175 : //Performance-Tuning: Image wird ab jetzt als CSS-Sprite geladen!
176 0 : if(isset($_SESSION["UserStyle"]) && $_SESSION["UserStyle"] != "fh_yaml")
177 0 : return "<a title='Dateibeschreibung anzeigen' href='".
178 0 : $this->createLink(1, array('action' => "infoFile", "actionID" => $this->fileID)) .
179 0 : "'><img src='".$imgFolder."edittypes/info.gif' alt='info Symbol' /></a>".
180 0 : $edit.$fileVisible.$delete.$copyFile;
181 : else return "<a title='Dateibeschreibung anzeigen' href='".
182 0 : $this->createLink(1, array('action' => "infoFile", "actionID" => $this->fileID)) .
183 0 : "'><img src='".PATH_TO_ROOT."images/transparent.gif' class='icon_info_file' alt='info Symbol' /></a>".
184 0 : $edit.$fileVisible.$delete.$copyFile;
185 : }
186 :
187 :
188 : protected function getContent($url) {
189 0 : $session = curl_init();
190 0 : curl_setopt($session, CURLOPT_URL, $url);
191 0 : curl_setopt($session, CURLOPT_HEADER, false);
192 0 : curl_setopt($session, CURLOPT_RETURNTRANSFER, true);
193 0 : curl_setopt($session, CURLOPT_CONNECTTIMEOUT, 6);
194 0 : curl_setopt($session, CURLOPT_TIMEOUT, 6);
195 :
196 0 : $response = curl_exec($session);
197 0 : if (curl_errno($session)!=0) $response = null;
198 :
199 0 : curl_close($session);
200 0 : return $response;
201 : }
202 :
203 :
204 :
205 : /**
206 : * Ermittelt den Pfad für das Favicon einer Webseite
207 : *
208 : * @param string [$url] Die Adresse wo das Favicon gesucht werden soll
209 : * @return string FaviconUrl
210 : * @access public
211 : */
212 : private function getFaviconUrl($url) {
213 0 : if (strstr($url, "ftp://")) return false;
214 : // Bei https-Links nur im http-Pendant suchen,
215 : //da sonst eventuell Zertifikatsmeldungen angezeigt werden
216 0 : $url = str_replace("https://", "http://", $url);
217 0 : $file = $this->getContent($url);
218 0 : if (is_null($file)) return false;
219 0 : $lines = explode("\n", $file);
220 0 : $tag = $rt = $return = array();
221 0 : foreach ($lines as $line) {
222 : /* This only works if the title and its tags are on one line */
223 0 : if (eregi("<link(.*)>", $line, $tag))
224 0 : if (eregi(".*rel=\"SHORTCUT ICON\" (.*)", $tag[1], $rt) ||
225 0 : eregi(".*rel=\"icon\" (.*)", $tag[1], $rt))
226 0 : if (eregi(".*href=\"([^=]*)\"", $rt[1], $return)) break;
227 0 : }
228 :
229 0 : if (isset($return[1])) return $return[1];
230 0 : return false;
231 : }
232 :
233 : private function remoteFileExists($url) {
234 0 : $urlP = parse_url($url);
235 0 : if (isset($urlP["host"])) {
236 0 : $host = $urlP["host"];
237 0 : } else {
238 0 : return false;
239 : }
240 0 : $errno = 0;
241 0 : $errstr = "";
242 0 : $fp = @fsockopen($host, 80, $errno, $errstr, 5);
243 0 : if (!$fp) {
244 0 : return false;
245 : } else {
246 0 : fputs($fp, "HEAD ".$url." HTTP/1.1\r\n");
247 0 : fputs($fp, "HOST: ".$host."\r\n");
248 0 : fputs($fp, "Connection: close\r\n\r\n");
249 0 : $headers = "";
250 0 : while (!feof($fp)) {
251 0 : $headers.= fgets($fp, 128);
252 0 : }
253 : }
254 0 : fclose($fp);
255 0 : $arrHeaders = explode("\n", $headers);
256 0 : if (isset($arrHeaders[0])) {
257 0 : if (!substr_count($arrHeaders[0], "200 OK")) return false;
258 0 : foreach($arrHeaders as $header) {
259 0 : $header = strtoupper($header);
260 0 : if (substr_count($header, "CONTENT-TYPE:") &&
261 0 : substr_count($header, "TEXT/HTML")) return false;
262 0 : }
263 0 : return true;
264 : }
265 0 : return false;
266 : }
267 :
268 : public function getHTMLString($statisticView = false, $cssClass = "") {
269 0 : $templateTableRow = ($statisticView) ?
270 0 : new Template(PATH_TO_ROOT . "/ressourcen/templates/filelist_entry_statistic.html")
271 0 : : new Template(PATH_TO_ROOT . "/ressourcen/templates/filelist_entry.html");
272 :
273 0 : $activeFolder = $this->fileManager->getActiveFolder();
274 0 : $action = $this->fileManager->getAction();
275 0 : $actionID = $this->fileManager->getActionID();
276 0 : $imgFolder = $this->fileManager->getImgFolder();
277 :
278 0 : global $visibleIcons;
279 :
280 0 : if (($_SESSION['usergroup'] == STUDENT &&
281 0 : $this->visibleType != 1 &&
282 0 : $_SESSION['userid'] != $this->userID)) {
283 : // Wenn Tutor oder Student und darf nicht sehen spezielle DB abfragen
284 0 : if (!isset($_SESSION["assistent"]) ||
285 0 : (isset($_SESSION["assistent"]) &&
286 0 : $this->visibleType == 3 &&
287 0 : $_SESSION['userid'] != $this->userID)) {
288 0 : $visible = $db->get_var(
289 : "SELECT count(*) FROM filevisible WHERE userID='".
290 0 : $_SESSION['userid']."' AND fileID='".
291 0 : $this->fileID."'"
292 0 : );
293 0 : if ($visible < 1) continue;
294 0 : }
295 0 : }
296 0 : $cell = $cssClass;
297 : // Symbole
298 :
299 0 : global $db;
300 0 : $user = $db->get_row("SELECT Vorname, Nachname, gender FROM user WHERE ID='".$this->userID."'");
301 :
302 : // Username inkl Gruppennamen anzeigen
303 0 : $courseID = $_SESSION["course"];
304 0 : $groupName = UserTools::getUserGroupName($this->userID, $courseID);
305 0 : $userName = $user->Vorname . " " . $user->Nachname . " ($groupName)";
306 :
307 : // Zeigt wenn vorhanden ein Extension basierendes
308 : //Icon an (extension.gif/png (einzige mit Transparenz))
309 : //im Ordner ressourcen/icons/filetypes
310 : // BZW Standardfiles fuer Link und Dateien
311 0 : $fileTypeImage = $imgFolder."filetypes/";
312 0 : if ($this->type == "link") {
313 0 : $fileTypeImage.= "link.gif";
314 : // Prueft ob ein favicon vorhanden ist, und zeigt dann dieses als Symbol an.
315 0 : $url = @parse_url($this->link);
316 0 : if ($url['scheme'] == '') $url['scheme'] = "http";
317 0 : if ($url['host'] != '') {
318 0 : if ($this->remoteFileExists($url['scheme']."://".$url['host']."/favicon.ico")) {
319 0 : $fileTypeImage = $url['scheme']."://".$url['host']."/favicon.ico";
320 0 : } elseif ($favicon = $this->getFaviconUrl($url['scheme']."://".$url['host'])) {
321 0 : $urlTest = @parse_url($favicon);
322 0 : if (isset($urlTest['scheme']) &&
323 0 : $urlTest['scheme'] == '') $favicon = $url['scheme'].
324 0 : "://".$url['host'].'/'.$favicon;
325 0 : if ($this->remoteFileExists($favicon)) $fileTypeImage = $favicon;
326 0 : }
327 0 : }
328 0 : } elseif ($this->type == "file") {
329 : // erweitert um grossgeschriebene Endungen
330 0 : if (file_exists($imgFolder."filetypes/".strtolower($this->extension).".gif"))
331 0 : $fileTypeImage.= strtolower($this->extension).".gif";
332 0 : elseif (file_exists($imgFolder."filetypes/".strtolower($this->extension).".png"))
333 0 : $fileTypeImage.= strtolower($this->extension).".png";
334 0 : else {$fileTypeImage.= "file.gif";
335 0 : $this->extension = "file";}
336 0 : }
337 0 : $img = "<img width='18' height='16' src='".$fileTypeImage."' alt='Dateisymbol' />";
338 :
339 : // Fuer TOP20 wird angezeigt ob Kurs oder Foyer Datei.
340 0 : if ($activeFolder < 0 &&
341 0 : $this->courseID == 0 &&
342 0 : $_SESSION['course'] != 0) $this->name = "".
343 0 : $this->name."<span class='text10'><strong> (Foyer)</strong></span>";
344 :
345 : //########### Ist Zeile ausgewählt, dann markieren und Hover Effekt unterbinden
346 0 : if (isset($_GET['actionID']) && $_GET['actionID'] == $this->fileID) {
347 0 : $fileSelect = 'res_fileselect';
348 0 : $fileClass = '';
349 0 : } else {
350 0 : $fileSelect = '';
351 0 : $fileClass = 'res_file';
352 : }
353 0 : $fileName = Data::toHTML($this->name, false);
354 :
355 0 : if ($this->type == 'link') {
356 0 : $this->size = "Link";
357 0 : } else {
358 0 : $this->size = Format::FilesizeStr($this->size);
359 : }
360 :
361 0 : $downloadStats = ($statisticView) ? $this->getDownloadStatisticHTML() : "";
362 0 : $link = ($statisticView) ? $this->getStatisticLink() : $this->getFileLink();
363 :
364 : // Link auf BenutzerProfil
365 : $userLink = "<a href='".
366 0 : PATH_TO_ROOT.
367 0 : "user/homepage.php?user=$this->userID'>".
368 0 : Data::toHTML("$userName", false) ."</a>";
369 0 : if ($role = RoleArtefacts::getRoleForItem(RESSOURCE, (int)$this->fileID)) {
370 0 : $userLink.= " (".$role->getPropertiesLink($role->getName($user->gender)) .")";
371 0 : }
372 0 : if ($team = TeamArtefacts::getTeamForItem(RESSOURCE, (int)$this->fileID)) {
373 0 : $userLink.= " (".Data::toHTML($team->getName(), false) .")";
374 0 : }
375 0 : $tableData = array();
376 0 : $tableData["resource"] = $link.$img. $fileName . $downloadStats . "</a>";
377 0 : if (!$statisticView)$tableData["action"] = $this->getUserIcons();
378 0 : $tableData["size"] = $this->size;
379 0 : $tableData["created"] = Output::echoDate("d.m.Y H:i", (int)$this->createTime);
380 0 : $tableData["owner"] = $userLink;
381 0 : $tableData["clicks"] = $this->counter;
382 :
383 : //FW % anpassungen ... hier devide by zero wenn course count leer .. also wenn kein curs gewählt
384 0 : if ($statisticView) {
385 : //userID!=1 => admin rauslassen
386 0 : $courseCount = $db->get_var(
387 : "SELECT count(*) FROM user_course ".
388 0 : ($this->courseID == 0 ? "" : " WHERE courseID='".$this->courseID."' AND userID!=1")
389 0 : );
390 0 : $klicks = $db->get_var(
391 : "SELECT DISTINCT count(userID) FROM filelog WHERE fileID='".
392 0 : $this->fileID."' AND userID!=1 GROUP BY fileID"
393 0 : );
394 :
395 0 : if($courseCount!=0) {
396 : //nur glatte Prozent beträge
397 0 : $prozent = sprintf("%3u%%", ($klicks*100) /$courseCount);
398 0 : }
399 : else {
400 : //0% weil Admin nicht mitgerechnet
401 0 : $prozent = "0%";
402 : }
403 :
404 : //FW Anzahl Klicks inclusive Admin clicks = nonsense wenn nacher nicht verwendet
405 0 : $tableData["clicks"] .= "/" . $prozent;
406 :
407 0 : }
408 :
409 :
410 0 : $htmlString = "";
411 0 : eval($templateTableRow->getTemplate("htmlString"));
412 0 : if ($actionID == $this->fileID) {
413 0 : if ($statisticView) {
414 0 : if ($action == "showInfo") $htmlString .= $this->getStatisticHTML();
415 0 : } else {
416 0 : $htmlString .= $this->getFileOptionHTML($action);
417 : }
418 0 : }
419 :
420 0 : return $htmlString;
421 : }
422 :
423 : public function getFileOptionHTML($option) {
424 : switch ($option) {
425 0 : case "deleteFile":
426 0 : return $this->getDeleteFileHTML();
427 0 : case "copyFile":
428 0 : return $this->getCopyFileHTML();
429 0 : case "infoFile":
430 0 : return $this->getDescriptionHTML();
431 0 : case "setRessourceVisibility":
432 : return "<tr><td colspan='5'>"
433 0 : .$this->getRessourceVisibilityHTML()
434 0 : ."</td></tr>";
435 : }
436 0 : return "";
437 : }
438 :
439 : private function getCopyFileHTML() {
440 0 : $template = new Template(PATH_TO_ROOT . "/ressourcen/templates/copyfile.html");
441 0 : $courses = RessourcenDB::getUserCourses($_SESSION['userid']);
442 0 : $currentCourse = 0;
443 0 : $courseOptions = "";
444 0 : if ($_SESSION['course'] != 0) {
445 0 : $courseOptions .= "<option value='0'>Foyer</option>\n";
446 0 : }
447 0 : foreach($courses as $course) {
448 0 : if ($currentCourse == $course->ID) {
449 0 : $courseOptions .= ", ".Data::toHTML($course->ShortName, false);
450 0 : } else {
451 0 : if ($currentCourse != 0) $courseOptions .= ")</option>\n";
452 0 : $courseOptions .= "<option value='".$course->ID."'";
453 0 : $courseOptions .= ">".Data::toHTML($course->SN." (".$course->ShortName, false);
454 0 : $currentCourse = $course->ID;
455 : }
456 0 : }
457 0 : $courseOptions .= ")</option>\n";
458 0 : $folderID = $this->fileManager->getActiveFolder();
459 0 : $fileID = $this->fileID;
460 0 : $html = "";
461 0 : eval ($template->getTemplate("html"));
462 0 : return $html;
463 : }
464 :
465 : private function getFileLink() {
466 0 : if ($this->type == 'file') {
467 : $link = "<a class='file' href='".
468 0 : $this->createLink(
469 0 : 0, array("activeFolder" => $this->fileManager->getActiveFolder(),
470 0 : "action" => 'get'.$this->type, 'actionID' => $this->fileID)
471 0 : )
472 0 : ."' title='Dateiname: ".
473 0 : Data::toHTML($this->origFileName, false) ."'>";
474 0 : } elseif ($this->type == 'link') {
475 0 : $link = "<a class='file' href='".$this->createLink(
476 0 : 0, array("activeFolder" => $this->fileManager->getActiveFolder(),
477 0 : "action" => 'get'.$this->type, 'actionID' => $this->fileID)
478 0 : )
479 0 : ."' title='URL: ".
480 0 : Data::toHTML($this->link, false) ."'>";
481 0 : }
482 0 : return $link;
483 : }
484 :
485 : private function getStatisticLink() {
486 0 : if ($this->type == 'file') {
487 0 : $link = "<a class='file' href='".Filemanager::createLink(
488 0 : 0,array("activeFolder" => $this->fileManager->getActiveFolder(),
489 0 : "action" => 'showInfo', 'actionID' => $this->fileID, 'show' => 'down')
490 0 : )
491 0 : ."' title='Dateiname (Studenten heruntergeladen/Gesamt Studenten im Kurs)'>";
492 0 : } elseif ($this->type == 'link') {
493 0 : $link = "<a class='file' href='".Filemanager::createLink(
494 0 : 0,array("activeFolder" => $this->fileManager->getActiveFolder(),
495 0 : "action" => 'showInfo', 'actionID' => $this->fileID, 'show' => 'down')
496 0 : )
497 0 : ."' title='URL: ".Data::toHTML($this->link, false) ."'>";
498 0 : }
499 0 : return $link;
500 : }
501 :
502 : private function getDownloadCount() {
503 0 : global $db;
504 0 : if ($this->courseID == 0) {
505 0 : $count = (int) $db->get_var(
506 : "SELECT DISTINCT count(filelog.userID) FROM filelog LEFT JOIN user".
507 0 : " ON (filelog.userID=user.ID) WHERE fileID='".
508 0 : $this->fileID."' AND filelog.userID!=1 group BY fileID"
509 0 : );
510 0 : } else {
511 0 : $count = (int) $db->get_var(
512 : "SELECT DISTINCT count(filelog.userID) FROM filelog LEFT JOIN user_course ON".
513 0 : " (filelog.userID=user_course.userID) WHERE fileID='".
514 0 : $this->fileID."' AND filelog.userID!=1 AND user_course.courseID='".
515 0 : $this->courseID."' group BY fileID"
516 0 : );
517 : }
518 0 : return $count;
519 : }
520 :
521 : private function getDownloadStatisticHTML() {
522 0 : global $db;
523 0 : $downloadCount = $this->getDownloadCount();
524 0 : if ($this->courseID == 0) {
525 0 : $allCount = $db->get_var("SELECT COUNT(*) FROM user WHERE ID!=1");
526 0 : } else {
527 : //TODO: FW file in this ändern !!!
528 0 : $allCount = $db->get_var(
529 : "SELECT COUNT(*) FROM user_course WHERE courseID='".
530 0 : $this->courseID."' AND userID!=1"
531 0 : );
532 : }
533 0 : return " (".$downloadCount."/".$allCount.")";
534 : }
535 :
536 :
537 : private function getDeleteFileHTML() {
538 0 : $template = new Template(PATH_TO_ROOT . "/ressourcen/templates/deletefile.html");
539 0 : $folderID = $this->fileManager->getActiveFolder();
540 0 : $fileID = $this->fileID;
541 0 : $html = "";
542 0 : eval ($template->getTemplate("html"));
543 0 : return $html;
544 : }
545 :
546 : private function getDescriptionHTML() {
547 0 : $bbcode = new BBCode();
548 0 : if (!$this->description) $this->description = "Keine Beschreibung vorhanden";
549 : return "<tr><td class='res_file-extra' colspan='6'>".
550 0 : $bbcode->parse($this->description) ."</td></tr>";
551 : }
552 :
553 : private function getStatisticHTML() {
554 0 : global $db;
555 0 : $cellOne = $cell = 'tableCellDark'; // AnfangsKlasse fuer Tabellenzeile, wechselt
556 0 : $cellTwo = 'tableCell';
557 0 : $html = "";
558 :
559 0 : if ($this->courseID == 0) {
560 0 : $allCount = $db->get_var("SELECT COUNT(*) FROM user WHERE ID!=1");
561 0 : $downCount = $db->get_var(
562 : "SELECT DISTINCT count(userID) FROM filelog WHERE fileID='".
563 0 : $this->fileID.
564 : "' AND userID!=1 GROUP BY fileID"
565 0 : );
566 0 : } else {
567 0 : $allCount = $db->get_var(
568 : "SELECT COUNT(*) FROM user_course WHERE courseID='".
569 0 : $this->courseID."' AND userID!=1"
570 0 : );
571 0 : $downCount = $db->get_var(
572 : "SELECT DISTINCT count(filelog.userID) FROM filelog ".
573 0 : "LEFT JOIN user_course ON".
574 0 : " (filelog.userID=user_course.userID) WHERE fileID='".$this->fileID.
575 0 : "' AND filelog.userID!=1 AND user_course.courseID='".$this->courseID.
576 : "' group BY fileID"
577 0 : );
578 : }
579 0 : if ($downCount == "") $downCount = 0;
580 0 : $notDownCount = $allCount-$downCount;
581 0 : $html .= "<tr><td class='res_file-extra' colspan='5'>";
582 0 : $html .= "Anzeigen: ";
583 :
584 0 : $html .= "[ <a href='".Filemanager::createLink(1, array('show' => 'down')) .
585 0 : "'>".($_GET['show'] == 'down' ? "Downloader" : "Downloader") .
586 0 : " (".$downCount.")</a> | ";
587 0 : $html .= "<a href='".Filemanager::createLink(1, array('show' => 'notDown')) .
588 0 : "'>".($_GET['show'] == 'notDown' ? "Nicht-Downloader" : "Nicht-Downloader") .
589 0 : " (".$notDownCount.")</a> ]";
590 0 : $html .= " => Gesamt: ".$allCount;
591 : $html .= "<table class='res_statuserlist'><tr><td class='tableCellHead'>Nr.</td>".
592 0 : "<td class='tableCellHead' style='text-align: left;'>Person</td><td class='tableCellHead'>Anzahl</td>".
593 0 : "<td class='tableCellHead' style='text-align: right;'>Letzter Zugriff</td></tr>";
594 0 : $count = 0;
595 0 : switch ($_GET['show']) { // Was wird angezeigt, down oder not_down
596 :
597 0 : case 'down': // Zeigt alle User die dieses File Downgeloadet haben
598 0 : $logs = $db->get_results(
599 : "SELECT DISTINCT userID, date, count(userID) AS klicks FROM filelog WHERE fileID='".
600 0 : $this->fileID.
601 : "' AND userID!=1 GROUP BY userID ORDER BY userID, date"
602 0 : );
603 0 : if ($logs) foreach($logs as $log) {
604 0 : $user = $db->get_var(
605 : "SELECT concat(Nachname,', ',Vorname) AS name FROM user WHERE ID='".
606 0 : $log->userID."'"
607 0 : );
608 0 : if (!isset($user)) continue;
609 0 : $data[$user][0] = $log->userID;
610 0 : $data[$user][1] = Data::toHTML($user, false);
611 0 : $data[$user][2] = $log->date;
612 0 : $data[$user][3] = $log->klicks;
613 0 : }
614 0 : if (!empty($data)) {
615 0 : ksort($data); // Array wird nach UserName sortiert
616 0 : foreach($data as $value) { //Gibt Namensliste aus
617 0 : $cell = ($cell == $cellOne ? $cellTwo : $cellOne);
618 0 : $userLink = PATH_TO_ROOT."user/homepage.php?user=".$value[0];
619 0 : $html .= "<tr><td class='$cell'>".++$count.
620 0 : "</td><td class='$cell' style='text-align: left;'><a href='$userLink'>"
621 0 : .$value[1]."</a></td><td class='$cell' >"
622 0 : .$value[3]."</td><td class='$cell' style='text-align: right;'>".
623 0 : Date("d.m.Y H:i", (int)$value[2]) ."</td></tr>";
624 0 : }
625 0 : }
626 0 : break;
627 :
628 0 : case 'notDown': // Alle user die es nicht downgeloadet haben
629 0 : if ($this->courseID == 0) {
630 0 : $users = $db->get_results(
631 : "SELECT ID, concat(Nachname,', ',Vorname) AS name FROM user ".
632 : "WHERE ID!=1 ORDER BY name"
633 0 : );
634 0 : } else {
635 0 : $users = $db->get_results(
636 : "SELECT ID, concat(Nachname,', ',Vorname) AS name FROM user_course".
637 0 : " LEFT OUTER JOIN user ON (user_course.userID=user.ID) ".
638 0 : "WHERE ID!=1 AND user_course.courseID='".
639 0 : $this->courseID."' ORDER BY name"
640 0 : );
641 : }
642 0 : if ($users) foreach($users as $user) {
643 0 : $userLink = PATH_TO_ROOT."user/homepage.php?user=".$user->ID;
644 0 : $log = $db->get_var(
645 : "SELECT DISTINCT count(filelog.userID) AS klicks FROM filelog ".
646 0 : "LEFT JOIN user_course ON (filelog.userID=user_course.userID) ".
647 0 : "WHERE filelog.userID='".$user->ID."' AND fileID='".
648 0 : $this->fileID.
649 : "' GROUP BY filelog.userID"
650 0 : );
651 0 : if ($log != 0) continue;
652 0 : $cell = ($cell == $cellOne ? $cellTwo : $cellOne);
653 0 : $html .= "<tr><td class='$cell'>".++$count.
654 0 : "</td><td class='$cell' style='text-align: left;'><a href='$userLink'>".
655 0 : Data::toHTML($user->name, false) .
656 0 : "</a></td><td class='$cell' >0</td><td class='$cell'".
657 0 : " style='text-align: right;'>Nie</td></tr>";
658 0 : }
659 0 : break;
660 :
661 0 : case 'all': // Zeige ALLE User des Kurses an... ZZT DEAKTIVIERT
662 0 : if ($this->courseID == 0) {
663 0 : $users = $db->get_results(
664 : "SELECT ID, concat(Vorname,' ',Nachname) AS name FROM user ORDER BY name"
665 0 : );
666 0 : } else {
667 0 : $users = $db->get_results(
668 : "SELECT ID, concat(Vorname,' ',Nachname) AS name FROM user_course ".
669 0 : "LEFT OUTER JOIN user ON (user_course.userID=user.ID) ".
670 : "WHERE user_course.courseID='"
671 0 : .$this->courseID."' ORDER BY name"
672 0 : );
673 : }
674 0 : if ($users) foreach($users as $user) {
675 0 : $cell = ($cell == $cellOne ? $cellTwo : $cellOne);
676 0 : $userLink = PATH_TO_ROOT."user/homepage.php?user=".$user->ID;
677 0 : $log = $db->get_row(
678 : "SELECT DISTINCT count(userID) AS klicks, date FROM filelog WHERE userID='".
679 0 : $user->ID."' AND fileID='".$this->fileID."' GROUP BY userID"
680 0 : );
681 0 : $date = Output::$html .=Date("d.m.Y H:i", (int)$log->date);
682 0 : if ($log->date == 0) $date = "Nie";
683 0 : if ($log->klicks == 0) $log->klicks = "0";
684 0 : $html .= "<tr><td class='$cell' >".++$count.
685 0 : "</td><td class='$cell' ><a href='$userLink'>".
686 0 : Data::toHTML($user->name, false) ."</a></td><td class='$cell' >".
687 0 : $log->klicks."</td><td class='$cell' style='font-size:10px;text-align:right;' >".
688 0 : $date."</td></tr>";
689 0 : }
690 0 : break;
691 0 : }
692 0 : $html .= "</table></td></tr>";
693 0 : return $html;
694 :
695 : }
696 :
697 : /**
698 : * Archiver accept method for ArchiveVisitor
699 : *
700 : * @param ArchiveVisitor $visitor
701 : * @param String $parentPath Parent path
702 : * @return Sting Parent path
703 : */
704 : public function archiverAccept(ResourceVisitor $visitor, $parentPath = "/") {
705 0 : assert($visitor instanceof ResourceVisitor);
706 :
707 0 : return $visitor->visit($this, $parentPath);
708 : }
709 : }
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